sysadmin and other technological pontifications

Entries for the ‘Windows’ Category

Properly Configuring SSL Certificates for Remote Desktop Services

Properly securing Remote Desktop Services with an SSL certificate is a subject that causes frequent confusion among IT Professionals. For the purposes of this article, we’ll be discussing Remote Desktop Deployments on Windows Server 2012/2016. While documentation exists on TechNet and other sources describing the SSL requirements, I have yet to find a comprehensive source that […]

IIS 7.0+ Upload Restrictions and Failures

By default, IIS 7.0+ has restrictions on the maximum file size that can be uploaded to the web server. If these restricted attributes are not modified, you will experience failures when attempting to send larger sized data through the web server. This article discusses the three attributes below, listed with their default values. For the […]

Incorrect fonts & garbled characters when printing through Terminal Services

I recently worked on an issue with a Remote Desktop user who claimed that when printing through RDP, the resulting output would contain incorrect fonts and random characters. After trying multiple versions of the print driver on the local machine with no avail, I found the following hotfix, which resolved the issue in it’s entirety. […]

How to Disable Autorun

The Autorun feature in Windows allows removable devices like CDs and Flash Disks to auto-execute an application when they are inserted. An example would be inserting an application CD into your optical drive, and the setup program automatically starting up. This is accomplished by the use of an autorun.inf file in the root of the […]

MS12-020: Critical Vulnerabilities in Remote Desktop

On Tuesday, March 13th 2012, Microsoft released fixes for two reported vulnerabilities in the Remote Desktop Protocol described in the link below: Microsoft Security Bulletin MS12-020 – Critical The fixes for these two vulnerabilities can be reviewed here: http://support.microsoft.com/kb/2667402 http://support.microsoft.com/kb/2621440 Obviously Microsoft releases critical security updates every month, however the problem that KB2621440 addresses is […]

Printer Fails to Print Multiple Copies

I just recently discovered that none of my HP Printers would print multiple copies of jobs. Regardless of the number of copies I selected through the print dialog, only one copy would be printed without any sort of error being generated. Evidentially, this is caused by Mopier Mode being enabled on the printer in question. […]

The Windows Equivalent of Touch

Every now and again I find myself wishing that there was a Windows equivalent of the UNIX/Linux touch command to update time stamps on files. Well, it turns out that there is an easy way to do this, which I stumbled upon by using the copy command illustrated below. The result of the above operation […]

Read-Only Problems with Word Documents

I encountered a problem recently where users were reporting that documents they were working on in Word 2007/2010 were randomly becoming read-only and preventing them from saving changes. Initially, I was skeptical to this, and rather assumed that a certain subset of the documents were actually marked read-only for some reason. That being said, my […]

Detecting and Removing Rootkits

After spending a good deal of time chasing down and removing an infection of the SpyEye Trojan, I thought it might be fitting to write about detecting rootkits, and some of the free tools that are available to help you do so. Generally, a rootkit can be defined as a piece of software that is […]

Enabling Network Level Authentication for RDP in XP SP3

Windows Vista/7/2008 has the option of requiring Network Level Authentication when acting as a Remote Desktop host. Without going into any great detail, NLA offers a higher level of security for your RDP sessions, and a lower resource requirement during the authentication process. This setting is controlled by the dialog below under [My Computer Properties\Remote […]